COMMANDER 31 (BIANCA)
Fractional Sloop • Fin with rudder on skeg • Built 1969–1976
Dimensions
- LOA
- 30.7 ft
- LWL
- 22 ft
- Beam
- 8.83 ft
- Max Draft
- 3.7 ft
- Displacement
- 7,715 lbs
- Ballast
- 3,525 lbs
Performance Ratios
- Capsize Ratio ⓘ
- 1.79 (offshore safe)
- SA/D Ratio ⓘ
- 13.7
- D/L Ratio ⓘ
- 324
- Ballast Ratio ⓘ
- 45.7%
Sail Plan
- Sail Area
- 334 sq ft
Construction
- Hull Type
- Fin with rudder on skeg
- Rig Type
- Fractional Sloop
- Hull Material
- FG
- Ballast Type
- —
Production
- First Built
- 1969
- Last Built
- 1976
- Number Built
- 150
Engine & Accommodations
- Engine Make
- Volvo Penta
- Power
- 10 hp
- Engine Type
- Diesel
Designer
Builder
- Bianca Yachts (1964)